Move AddonsError to BoxError

src/boxerror.js

@@ -43,6 +43,7 @@ BoxError.DNS_ERROR = 'DNS Error';
 BoxError.DOCKER_ERROR = 'Docker Error';
 BoxError.EXTERNAL_ERROR = 'External Error'; // use this for external API errors
 BoxError.FS_ERROR = 'FileSystem Error';
+BoxError.INACTIVE = 'Inactive';
 BoxError.INTERNAL_ERROR = 'Internal Error';
 BoxError.LICENSE_ERROR = 'License Error';
 BoxError.LOGROTATE_ERROR = 'Logrotate Error';